• Morgan Recher, Valentine Baert, Joséphine Escutnaire, Quentin Le Bastard, François Javaudin, Hervé Hubert, and Stéphane Leteurtre.
• Department of Pediatric Critical Care, University of Lille, CHU Lille, ULR 2694 - METRICS: Évaluation des technologies de santé et des pratiques médicales, F-59000 Lille, France.
• Pediatr Crit Care Me. 2021 Mar 1; 22 (3): 286-296.

ObjectivesDespite the evolving recommendations that favor the use of intraosseous access in pediatric resuscitation, the impact of vascular access type on survival in young children has not been demonstrated. The aim of this study was to assess the impact of the intravascular injection route on the return on spontaneous circulation, survival to hospital admission (0 day), and 30 days or survival to hospital discharge, by comparing survival rates in young children having intraosseous and peripheral IV access. The second aim was to compare the rates of favorable neurologic outcome after 30 days or survival to hospital discharge.DesignThis was a multicenter retrospective comparative study between July 2011 and October 2018.SettingBased on the French cardiac arrest registry data.PatientsAll prepubescent (males < 12 yr old, females < 10 yr old) victims of an out-of-hospital cardiac arrest.InterventionsPatients with adrenaline administration by intraosseous versus peripheral venous technique were compared, using propensity score matching.Measurements And Main ResultsThe analysis included 603 prepubescent patients, 351 (58%) in the intraosseous group and 252 (42%) in the peripheral IV group. Intraosseous group patients were younger, lighter, with more medical cause for arrest. The intraosseous group had lower survival rates at 30 days or hospital discharge (n = 6; 1.7%) than the peripheral IV group (n = 12; 4.8%) (p = 0.030). After matching, 101 pairs of patients were created. No difference was observed on return of spontaneous circulation or 0-day survival rates (odds ratio = 1.000 [95% CI, 0.518-1.930]; odds ratio = 0.946 [95% CI, 0.492-1.817], respectively) and on 30 days or hospital discharge survival (n = 3 in both groups) (odds ratio = 1.000 [95% CI, 0.197-5.076]). Meaningful statistical evaluation of neurologic status among survivors was precluded by inadequate numbers.ConclusionsThe type of injection route (intraosseous or peripheral venous access) does not appear to have an impact on survival of out-of-hospital cardiac arrest in a prepubescent population, but limitations of propensity matching limit a definitive conclusion.Copyright © 2021 by the Society of Critical Care Medicine and the World Federation of Pediatric Intensive and Critical Care Societies.

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